نتایج جستجو برای: mechanochemical
تعداد نتایج: 2381 فیلتر نتایج به سال:
Mechanochemical treatment, or high energy ball milling, was successfully employed to destroy per- and polyfluoroalkyl substances in an aqueous film-forming foam concentrate authentic contaminated soil sample.
Self-organization in cells often manifests itself in oscillations and waves. Here, we address deformation waves in protoplasmic droplets of the plasmodial slime mold Physarum polycephalum by modelling and experiments. In particular, we extend a one-dimensional model that considered the cell as an poroelastic medium, where active tension caused mechanochemical waves that were regulated by an inh...
Internal molecular forces can guide chemical reactions, yet are not straightforwardly accessible within a quantum mechanical description of the reacting molecules. Here, we present a force-matching force distribution analysis (FM-FDA) to analyze internal forces in molecules. We simulated the ring opening of trans-3,4-dimethylcyclobutene (tDCB) with on-the-fly semiempirical molecular dynamics. T...
Kinesin is a microtubule-based motor protein that pulls vesicles or organelles towards the plus end of microtubules. Structural changes in the protein that drive motility are coupled to ATP binding and hydrolysis. Here, we attempt to integrate recent structural and kinetic results into a picture of the mechanochemical cycle of kinesin.
A mechanochemical synthetic method of preparing LiCoO2 coated by MOF-derived metal oxide composites is introduced. Mono-dispersed ZrO2 and Al2O3 are applied as protection layers. These composites show 148 mA h g(-1) at a current density of 2325 mA g(-1) and excellent thermal stability (55 °C).
We have proposed the neck linker swing model to investigate the mechanism of mechanochemical coupling of kinesin. The Michaelis-Menten-like curve for velocity vs ATP concentration at different loads has been obtained, which is in agreement with experiments. We have predicted that Michaelis constant doesn’t increase monotonically and an elastic instability will happen with increasing of applied ...
We develop an associative synthesis of metal–organic materials that combines solid-state metal oxidation and coordination-driven self-assembly into a one-step, waste-free transformation. The methodology hinges on the unique reactivity of ortho-quinones, which we introduce as versatile oxidants for mechanochemical synthesis. Our strategy opens a previously unexplored route to paramagnetic metal–...
Mechanochemical synthesis has been used to obtain two Werner complexes and their solid solution that could not be obtained by conventional "wet" chemistry; remarkably, despite the structural and chemical similarity, the solid solution exhibits sorption properties that differ from those of the pure compounds.
The thermoelectric potential of cubic Li 3 Sb is reported for the first time through a detailed investigation its high-temperature properties measured on polycrystalline specimens prepared by stress-induced mechanochemical method.
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